----Can you come to my party on September 28th?-----Sure,__________.
Our parents often tell us ___________ on the street.
— We’d better go home right now. The sky is getting .— Okay, let’s go!
While I _____________, someone ___________at the door.
They ____________ in the river when it __________ to rain.
Please knock at the door ________ you come into the room.